U.S. Secretary of State John Kerry said Friday he had won a commitment from China to help bring a belligerent North Korea back to nuclear disarmament talks, even as he butted heads with Chinese leaders over a series of increasingly aggressive steps Beijing has taken to assert itself in territorial disputes with its smaller neighbors.

The Pentagon says that shortly after two U.S. soldiers were gunned down by two men wearing Afghan army uniforms in eastern Afghanistan, Taliban insurgents attacked the district center where the Americans had been operating.

The Obama administration on Friday gave banks a road map for conducting transactions with legal marijuana sellers so these new businesses can stash away savings, make payroll and pay taxes like any other enterprise. It's not clear banks will get on board.